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Old 11-10-2008 | 10:47 AM
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SwampCollie
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From: Where the ducks don't come no more
Default RE: Building my arrow
ORIGINAL: GMMAT

But I lose weight with the 3-49 (I assume you figured that in, though).

So....will the 3-49 have ENOUGH spine?

Also....when looking a tthe easton charts....it says to subtract for the insert weight. Why?

Thanks.

EDIT**

If I go with the 3-49 ....I can't seem to get my arrow weight over 450gr. (WITH the 100gr adaptor)
I don't think you will have the correct spine with a 3-49. I think you'll need at least a 3-60, but a 3-71 like you have will be better.

I shot a 3-49 this spring, tinkering around. I'm shooting an Iron Mace... same cam system... granted a little harder... but I was shooting 100gr tips.... and I got a weak spine reaction.

Every bit of weight you add to the arrow will effect the spine... wraps... fletching weight, insert weight... you name it... more you add... more resistance there will be... weaker it will make your arrow spine.
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